Markers trigger opacity groups (easy one!)

[Dan Ebberts]

Assuming your markers are comp markers, this should work:


m=thisComp.marker;
n = 0;
if (m.numKeys > 0){
n = m.nearestKey(time).index;
if (m.key(n).time > time) n--;
}

myGroupNumber = Math.round(effect("Group Number")("Slider"));
if (myGroupNumber == n) 100 else 0


Dan

[Jeff Bobbington]

Perfect sir, thankyou.

Whilst on topic, I wanted to add a 10 frame solid(its actually a TV interference video)over the top to hide those switching layers underneath.
So, relative to each comp marker, at -5f the layer opacity becomes 100%, then after +5f it goes back to 0%. No fades necessary.

Is there an expression to trigger this at every comp marker?

[Dan Ebberts]

Something like this should work:


m=thisComp.marker;
n = 0;
if (m.numKeys > 0){
n = m.nearestKey(time).index;
}
if (n > 0){
t = time - m.key(n).time;
if (Math.abs(t) <= 5*thisComp.frameDuration) 100 else 0
}else
value


Dan

[Jeff Bobbington]

Awesome, that’s actually more complex than I had anticipated.
Thanks Dan